To use a virtual keyboard right click on the tray icon in the system tray that looks like a keyboard and select :menuselection:`Toggle Virtual Keyboard`.
To restart fcitx right click on the applet and click :menuselection:`Restart`. To close the Fcitx applet right click the tray icon :menuselection:`Exit`.
To launch the fcitx applet from the menu :menuselection:`System Tools --> Fcitx` with an icon of a keyboard. If you wish to run the applet from the command line run